diff mbox series

[v2,02/22] nl80211: advertise supported channel width in S1G

Message ID 20200831205600.21058-3-thomas@adapt-ip.com
State New
Headers show
Series add support for S1G association | expand

Commit Message

Thomas Pedersen Aug. 31, 2020, 8:55 p.m. UTC 
S1G supports 5 channel widths: 1, 2, 4, 8, and 16. One
channel width is allowed per frequency in each operating
class, so it makes more sense to advertise the specific
channel width allowed.

Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
---
 include/net/cfg80211.h       | 15 +++++++++++++++
 include/uapi/linux/nl80211.h | 15 +++++++++++++++
 net/wireless/nl80211.c       | 15 +++++++++++++++
 3 files changed, 45 insertions(+)
diff mbox series

Patch

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index c9bce9bba511..e4d4fbcb2edc 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -96,6 +96,16 @@  struct wiphy;
  * @IEEE80211_CHAN_NO_10MHZ: 10 MHz bandwidth is not permitted
  *	on this channel.
  * @IEEE80211_CHAN_NO_HE: HE operation is not permitted on this channel.
+ * @IEEE80211_CHAN_1MHZ: 1 MHz bandwidth is permitted
+ *	on this channel.
+ * @IEEE80211_CHAN_2MHZ: 2 MHz bandwidth is permitted
+ *	on this channel.
+ * @IEEE80211_CHAN_4MHZ: 4 MHz bandwidth is permitted
+ *	on this channel.
+ * @IEEE80211_CHAN_8MHZ: 8 MHz bandwidth is permitted
+ *	on this channel.
+ * @IEEE80211_CHAN_16MHZ: 16 MHz bandwidth is permitted
+ *	on this channel.
  *
  */
 enum ieee80211_channel_flags {
@@ -113,6 +123,11 @@  enum ieee80211_channel_flags {
 	IEEE80211_CHAN_NO_20MHZ		= 1<<11,
 	IEEE80211_CHAN_NO_10MHZ		= 1<<12,
 	IEEE80211_CHAN_NO_HE		= 1<<13,
+	IEEE80211_CHAN_1MHZ		= 1<<14,
+	IEEE80211_CHAN_2MHZ		= 1<<15,
+	IEEE80211_CHAN_4MHZ		= 1<<16,
+	IEEE80211_CHAN_8MHZ		= 1<<17,
+	IEEE80211_CHAN_16MHZ		= 1<<18,
 };
 
 #define IEEE80211_CHAN_NO_HT40 \
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 0584e0d349f0..4e119c6afa31 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -3737,6 +3737,16 @@  enum nl80211_wmm_rule {
  * @NL80211_FREQUENCY_ATTR_NO_HE: HE operation is not allowed on this channel
  *	in current regulatory domain.
  * @NL80211_FREQUENCY_ATTR_OFFSET: frequency offset in KHz
+ * @NL80211_FREQUENCY_ATTR_1MHZ: 1 MHz operation is allowed
+ *	on this channel in current regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_2MHZ: 2 MHz operation is allowed
+ *	on this channel in current regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_4MHZ: 4 MHz operation is allowed
+ *	on this channel in current regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_8MHZ: 8 MHz operation is allowed
+ *	on this channel in current regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_16MHZ: 16 MHz operation is allowed
+ *	on this channel in current regulatory domain.
  * @NL80211_FREQUENCY_ATTR_MAX: highest frequency attribute number
  *	currently defined
  * @__NL80211_FREQUENCY_ATTR_AFTER_LAST: internal use
@@ -3768,6 +3778,11 @@  enum nl80211_frequency_attr {
 	NL80211_FREQUENCY_ATTR_WMM,
 	NL80211_FREQUENCY_ATTR_NO_HE,
 	NL80211_FREQUENCY_ATTR_OFFSET,
+	NL80211_FREQUENCY_ATTR_1MHZ,
+	NL80211_FREQUENCY_ATTR_2MHZ,
+	NL80211_FREQUENCY_ATTR_4MHZ,
+	NL80211_FREQUENCY_ATTR_8MHZ,
+	NL80211_FREQUENCY_ATTR_16MHZ,
 
 	/* keep last */
 	__NL80211_FREQUENCY_ATTR_AFTER_LAST,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 52a35e788547..7da4d84bcc1a 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1010,6 +1010,21 @@  static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
 		if ((chan->flags & IEEE80211_CHAN_NO_HE) &&
 		    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE))
 			goto nla_put_failure;
+		if ((chan->flags & IEEE80211_CHAN_1MHZ) &&
+		    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ))
+			goto nla_put_failure;
+		if ((chan->flags & IEEE80211_CHAN_2MHZ) &&
+		    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ))
+			goto nla_put_failure;
+		if ((chan->flags & IEEE80211_CHAN_4MHZ) &&
+		    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ))
+			goto nla_put_failure;
+		if ((chan->flags & IEEE80211_CHAN_8MHZ) &&
+		    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ))
+			goto nla_put_failure;
+		if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
+		    nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
+			goto nla_put_failure;
 	}
 
 	if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,